Metal edge boxes, except styles FI GI H and JI are intended for use as unit or intermediate containers to provide protection to the contents and for convenience in handling. The regular water resistant box as described in table III is for packaging items which weigh 10 pounds or less. This should not be construed to prohibit the use of this specification for boxes to carry greater weights, when, in the opinion of the procuring activity, the nature of the article or material to be packaged justifies its use. Styles F, G and H are intended to protect documents (Archives) in libraries. Style J is used as an insert in a wooden box of the Marine field bin storage system. packaging applications, the special requirements (see 1.2.3) do not apply.

When this specification is used to describe a metal edged box for general packaging applications, the special requirements.